/*
silverPDF is sponsored by Aleyant Systems (http://www.aleyant.com)

silverPDF is based on PdfSharp (http://www.pdfsharp.net) and iTextSharp (http://itextsharp.sourceforge.net)

Developers: Ai_boy (aka Oleksii Okhrymenko)

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:

The above information and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR SPONSORS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

*/
#region PDFsharp - A .NET library for processing PDF
//
// Authors:
//   Stefan Lange (mailto:Stefan.Lange@pdfsharp.com)
//
// Copyright (c) 2005-2008 empira Software GmbH, Cologne (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.Collections;
using System.Globalization;
using System.Text;
using System.IO;
using PdfSharp.Drawing;
using PdfSharp.Internal;
using PdfSharp.Pdf.IO;
using PdfSharp.Pdf.Internal;

namespace PdfSharp.Pdf
{
  /// <summary>
  /// Represents text that is written 'as it is' into the PDF stream. This class can lead to invalid PDF files.
  /// E.g. strings in a literal are not encrypted when the document is saved with a password.
  /// </summary>
  public sealed class PdfLiteral : PdfItem
  {
    /// <summary>
    /// Initializes a new instance of the <see cref="PdfLiteral"/> class.
    /// </summary>
    public PdfLiteral()
    {
    }

    /// <summary>
    /// Initializes a new instance with the specified string.
    /// </summary>
    public PdfLiteral(string value)
    {
      this.value = value;
    }

    /// <summary>
    /// Initializes a new instance with the culture invariant formatted specified arguments.
    /// </summary>
    public PdfLiteral(string format, params object[] args)
    {
      this.value = PdfEncoders.Format(format, args);
    }

    /// <summary>
    /// Creates a literal from an XMatrix
    /// </summary>
    public static PdfLiteral FromMatrix(XMatrix matrix)
    {
      return new PdfLiteral("[" + PdfEncoders.ToString(matrix) + "]");
    }

    /// <summary>
    /// Gets the value as litarl string.
    /// </summary>
    public string Value
    {
      // This class must behave like a value type. Therefore it cannot be changed (like System.String).
      get { return this.value; }
    }
    string value = "";

    /// <summary>
    /// Returns a string that represents the current value.
    /// </summary>
    public override string ToString()
    {
      return this.value;
    }

    internal override void WriteObject(PdfWriter writer)
    {
      writer.Write(this);
    }
  }
}
